Umbrella hub



FIG. 1 is a perspective view of the umbrella hub, shown in a usageenvironment;

FIG. 2 is a bottom perspective view thereof, with the environmentremoved for clarity of details;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in FIGS. 1-6 depict portions of the umbrella runnerthat from no part of the claimed design.

CLAIM The ornamental designs for an umbrella hub, as shown anddescribed.